satrap

from WordNet (r) 3.0 (2006)

satrap
    n 1: a governor of a province in ancient Persia

from The Collaborative International Dictionary of English v.0.48

Satrap \Sa"trap\ (? or ?; 277), n. [L. satrapes, Gr. ?, fr.
   OPers. khshatrap[=a]van ruler: cf. F. satrape.]
   The governor of a province in ancient Persia; hence, a petty
   autocrat despot.
   [1913 Webster]